Dev Links 4

1. WordPress Performance Optimization Guide;
2. High-level advice and guidelines for writing sane, manageable, scalable CSS;
3. Coupling And Cohesion In WordPress And Beyond;
4. Orthogonality and CSS in JS;
5. Understanding Flexbox: Everything you need to know;
6. Use Grep for Fast Search from the Command Line;
7. Ack for CSS Developers;
8. Use the Zeigarnik Effect to learn to code faster;
9. The Downsides of Open Source Software;
10. On learning and teaching in programming and technology.